21.   Early diagnosis and treatment prevents brain damage and liver cirrhosis.

22.   However, in some patients such as those with rapidly progressive nephritis, early diagnosis and treatment are essential for effective renal recovery.

23.   To those with an affected fetus, early diagnosis provides the option of early termination.

24.   Embryonic tissues suitable for early prenatal diagnosis are obtained by chorionic villus sampling or early amniocentesis.

25.   But now scanning techniques have been improved, which will help make early diagnosis possible.

26.   Early diagnosis and treatment is simple and effective.

27.   Because physicians do not expect older women to have AIDS, they are less likely to make an early diagnosis.

28.   But doctors agree that for those infants who are infected, an early diagnosis can enable treatment that significantly prolongs life.

29.   But if the PSA was saving lives, the early diagnosis of prostate cancer should lead to a sharp downturn in its death rate.

30.   But these tumors are not dangerous, and many that are dangerous may not be cured by early diagnosis and treatment.